road way safety,solar road stud,102*81*21mm size;4pcs led,Red, yellow,white,green etc. ItemSpecificationSolar cellTypeMono crystallineVoltage2 VCurrent100mABatteryTypeNi-MH Voltage1.2 VCapacity600 mAhLEDSizeΦ5 mmNumber2 x 2 pcsColorRed, yellow,white etc.Luminous intensity3000---6000 mcdICFrequency2.5HZ ±20Operating timeSustain power supply continuously for over 72 hours by shined for 8 hours with ...